TY - JOUR AU - S. A. Lomov TI - Unique solvability of certain matrix partial differential equations JO - Matematičeskie zametki PY - 1977 SP - 525 EP - 530 VL - 21 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1977_21_4_a9/ LA - ru ID - MZM_1977_21_4_a9 ER -